Smart Learnsets script

import {Learnsets} from '../../learnsets';

function mergeSets(set1: ModdedLearnsetData, set2: LearnsetData): ModdedLearnsetData {
	const keys1 = Object.keys(set1);
	const keys2 = Object.keys(set2);

	let merged: AnyObject = {};
	const uniqueKeys1 = keys1.filter(k => !keys2.includes(k));
	const uniqueKeys2 = keys2.filter(k => !keys1.includes(k));

	const allUniqueKeys = [...uniqueKeys1, ...uniqueKeys2];
	const commonKeys = [...keys1, ...keys2].filter(k => !allUniqueKeys.includes(k));

	// deal with unique keys first
	for (const key of uniqueKeys1) {
		merged[key] = set1[key];
	}
	for (const key of uniqueKeys2) {
		merged[key] = set2[key];
	}

	// merge the data of each common key
	// set 1 takes precedence
	for (const key of commonKeys) {
		merged[key] = set2[key];

		for (const subkey in set1[key]) {
			if (set1[key][subkey] === 'false') {
				// notation for removing the data from the learnset
				delete merged[key][subkey];
			} else {
				merged[key][subkey] = set1[key][subkey];
			}
		}
	}

	return merged;
}

const ModdedLearnsets: {[k: string]: ModdedLearnsetData} = {
	octillery: {
		learnset: {
			octoshot: ['8T'],
		}
	},
	silvally: {
		learnset: {
			recover: ['8T'],
		},
	},

	beartic: {
		learnset: {
			suckerpunch: ["8T"],
			iceshard: ["8T"],
			feint: ["8T"],
			crunch: ["8T"],
			flipturn: ["8T"],
			camoflauge: ["8T"],
			shadowsneak: ["8T"],
			feintattack: ['8T'],
		},
		encounters: [
			{generation: 6, level: 30},
		],
	},

	beheeyem: {
		learnset: {
			powergem: ['8T'],
			dazzlinggleam: ['8T'],
		},
	},

	delibird: {
		learnset: {
			seasonalsmash: ["8T"],
		},
	},
	solrock: {
		learnset: {
			solarblade: ["8T"],
			dazzlinggleam: ["8T"],
			flamewheel: ["8T"],
			rapidspin: ["8T"],
			scorchingsands: ["8T"],
		},
	},
};

let MergedLearnsets: {[k: string]: ModdedLearnsetData} = {};

for (const key in ModdedLearnsets) {
	const mod = ModdedLearnsets[key];
	const base = Learnsets[key];
	MergedLearnsets[key] = mergeSets(mod, (base || {}) as LearnsetData);
}

exports.Learnsets = MergedLearnsets;